11263942547 has 16 divisors (see below), whose sum is σ = 13337382912. Its totient is φ = 9377817120.

The previous prime is 11263942517. The next prime is 11263942553. The reversal of 11263942547 is 74524936211.

It is a cyclic number.

It is not a de Polignac number, because 11263942547 - 2¹⁸ = 11263680403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11263942498 and 11263942507.

It is not an unprimeable number, because it can be changed into a prime (11263942517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291953 + ... + 328274.

It is an arithmetic number, because the mean of its divisors is an integer number (833586432).

Almost surely, 2^11263942547 is an apocalyptic number.

11263942547 is a deficient number, since it is larger than the sum of its proper divisors (2073440365).

11263942547 is a wasteful number, since it uses less digits than its factorization.

11263942547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620378.

The product of its digits is 362880, while the sum is 44.

The spelling of 11263942547 in words is "eleven billion, two hundred sixty-three million, nine hundred forty-two thousand, five hundred forty-seven".